At the end of lunch period one day, the junior class president made an announcement asking students to pick up their trash. After the announcement, many more students than usual cleaned up after themselves. The principal decided to have an announcement like this every day. This is an example of: A. collecting data. B. describing data. C. making an inference. D. none of the above.

man its nopq i just guessed and got it right so uhh

g00d lucc

step-by-step explanation:

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

answer: 1inch=7days  

12inch=12*7=84days

step-by-step explanation:

graph b

step-by-step explanation:

one solution- graph a (clear intercepting point.)

no solution- graph b (they're parallel, there will never be a point of interception.)

infinite solutions- graph c (all points intercept.)